And when it is said to them, "Prostrate to the Most Merciful," they say, "And what is the Most Merciful? Should we prostrate to that which you order us?" And it increases them in aversion.
But when they are told, 'Bow yourselves to the All-merciful,' they say, 'And what is the All-merciful? Shall we bow ourselves to what thou biddest us?' And it increases them in aversion.
When it is said to them, "Prostrate to (Allah) Most Gracious!", they say, "And what is (Allah) Most Gracious? Shall we prostrate to that which thou commandest us?" And it increases their flight (from the Truth).
قَالُوا وَمَا الرَّحْمَـٰنُ (60) The word رَّحْمَـٰنُ (Rahman, translated as All-Merciful) is an Arabic word and all Arabs knew its meaning, but they did not use it for Allah Ta’ ala. Hence they enquired who and what is Rahman (رَّحْمَـٰنُ ).